Nicholas Themelis, Chief Information Officer at MARKETAXESS HOLDINGS INC (MKTX), sold 6,197 shares at $478.19 ($3.0M) on 2021-03-05, disclosed to the SEC on 2021-03-08.
Open-market sale of $3.0M MKTX by Chief Information Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $474.60 | 900 | $427K | 14.4% |
| 2 | $476.36 | 1,206 | $574K | 19.4% |
| 3 | $476.36 | 1,206 | $574K | 19.4% |
| 4 | $477.04 | 639 | $305K | 10.3% |
| 5 | $477.04 | 639 | $305K | 10.3% |
| 6 | $478.19 | 200 |
| $96K |
| 3.2% |
| 7 | $479.78 | 352 | $169K | 5.7% |
| 8 | $479.78 | 352 | $169K | 5.7% |
| 9 | $481.01 | 103 | $50K | 1.7% |
| 10 | $483.63 | 300 | $145K | 4.9% |
| 11 | $488.10 | 300 | $146K | 4.9% |
| Total | $477.69 avg | 6,197 | $3.0M | 100% |
| Filing → |
| MKTX | SELL | 2021-09-09 | $923K | — | Filing → |
| MKTX | SELL | 2021-08-12 | $5.9M | — | Filing → |
| MKTX | SELL | 2021-06-15 | $6.3M | — | Filing → |